https://www.bleepingcomputer.com/news/security/imperva-discloses-security-incident-affecting-cloud-waf-customers/

Cyber security firm Imperva disclosed today a security incident that led to data exposure affecting a subset of customers using its Cloud Web Application Firewall (WAF) product, previously known as Incapsula.

Imperva's Cloud WAF is a managed service designed to protect cloud services "against known and unknown threats, including all OWASP top 10 and zero-day threats."